C4AI Aya Expanse 8B
Cohere
Key facts · verified Oct 29, 2026
C4AI Aya Expanse 8B is a Cohere model released on 23 Oct 2024. Pricing: Open weights under CC-BY-NC-4.0 — non-commercial. Its context window is 8K tokens. It ranks #341 on LMArena's text leaderboard (Elo 1223, read 3 Nov 2026). Source: huggingface.co.
Cohere Labs' Aya Expanse 8B, a multilingual open-weight language model published on Hugging Face under CC-BY-NC-4.0, which does not permit commercial use. Access to the weights requires accepting Cohere's terms on Hugging Face.
Pricing & specs checkedSource: vendor documentation · checked Oct 29, 2026LMArena: 1223 Elo (rank 341) · source · retrieved Nov 3, 2026
Pricing
Open weights under CC-BY-NC-4.0 — non-commercial
Context
8K tokens
LMArena Elo
LMArena rank
Full Specifications
Open weights under CC-BY-NC-4.0 — non-commercial | |
|---|---|
| Identity | |
| Developer | Cohere |
| Released | Oct 2024 |
| Status | Open weights |
| Licence | CC-BY-NC-4.0 (non-commercial) |
| Self-hostable | Yes — gated weights at CohereLabs/aya-expanse-8b |
| Capacity | |
| Context window | 8K tokens |
| Capability | |
| Vision in | No — text in, text out |
| Access | |
| Fine-tuning | Yes — open weights permit it |
| Measured quality | |
| LMArena Elo | 1223 (checked Nov 2026) |
| LMArena rank | Rank 341 |